LAPEDES/ D.N.Ed.  <br/><br/>
Encyclopedia of Sc. & Technology 

 - New York  McGraw Hill  1977 
 - 774 
 -  I .
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Science & Technology
<br/><br/><label>Dewey Class. No.: </label>503